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Finding the Fourth Proportional to 292,371.75, 403,473.06 and 158,235.75

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Solution

The fourth proportional to 292,371.75, 403,473.06 and 158,235.75 is: 218,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,371.75 : 403,473.06 = 158,235.75 : x
  2. Step 2: Convert to fraction form
    292,371.75/403,473.06 = 158,235.75/x
  3. Step 3: Cross multiply
    292,371.75x = 403,473.06 × 158,235.75
  4. Step 4: Simplify right side
    292,371.75x = 63,843,862,253.90
  5. Step 5: Solve for x
    x = 63,843,862,253.90/292,371.75
  6. Step 6: Final answer
    x = 218,365.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.